TECHNO-ECONOMY STUDY OF TECHNOLOGY DEVELOPMENT OF MERCURY REMOVAL UNIT IN OIL WITH THERMAL CONVERSION REACTION BASED
In oil and gas industry, mercury in crude oil must be reduced first until the mercury concentration is below 100 ppb-wt. There are many reason why mercury has to be removed, for example because mercury can be poisonous to hydrotreating catalyst or other metal-based catalyst, corrosion problem,...
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| Format: | Theses |
| Language: | Indonesia |
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| Online Access: | https://digilib.itb.ac.id/gdl/view/62148 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | In oil and gas industry, mercury in crude oil must be reduced first until the
mercury concentration is below 100 ppb-wt. There are many reason why mercury
has to be removed, for example because mercury can be poisonous to hydrotreating
catalyst or other metal-based catalyst, corrosion problem, and worker safety and
health issue. The purpose of this thesis is the development of innovative technology
for removing mercury from crude oil. The target of mercury removal in crude oil is
expected more than 95%. Reference knowladge basis used for mercury removal
system are thermal conversion reaction non metalic mercury to metalic mercury,
gas liquid separation for transfer some of metalic mercury to gas phase, and
mercury removal of liquid phase product is followed by gas stripping. This gas
stripper is the gas phase separator product and has been purified from mercury with
adsorption technology. This thesis was started with property package validation,
evaluation of thermal conversion reaction, then followed by creating
conceptualization based on process simulation. Property package used based on
validation is Peng-Robinson with binary interaction parameter modification. Based
on kinetics data from literature, mercury thermal conversion reaction match with
first order reaction with k0 8.32 1011 1/min and Ea/R 13,305 K. Thermal conversion
reactor operation temperature is proportional with system total separation
efficiency. This Mercury Removal Unit system is proved with simulation to have
good performance. In order to reach removal efficiency target, reactor operational
temperature must be set higher than 244oC for feed with low density, 278
oC for
feed with middle density, and 296
oC for feed with high density. Mercury Removal
Unit operational cost for three feed is between 2.66 – 3.13 USD/bbl.
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